/*
Theme Name: IELTS Hub
Theme URI: https://example.com
Author: Your Name
Author URI: https://example.com
Description: A custom-built learning platform theme for English/IELTS resources — original design, built from scratch.
Version: 1.0
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: ielts-hub
*/

:root {
  --color-primary: #1e4d3f;      /* deep green - swap for your own brand color */
  --color-primary-light: #2f7d63;
  --color-accent: #f4a259;       /* warm accent - swap for your own */
  --color-bg: #fbfaf7;
  --color-text: #232323;
  --color-muted: #6b6b6b;
  --radius: 12px;
  --max-width: 1200px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.site-logo {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-primary);
}
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}
.header-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
}

/* ---------- Hero ---------- */
.hero {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, var(--color-bg) 100%);
}
.hero h1 {
  font-size: 2.6rem;
  max-width: 780px;
  margin: 0 auto 20px;
  line-height: 1.2;
}
.hero p {
  max-width: 600px;
  margin: 0 auto 32px;
  color: var(--color-muted);
  font-size: 1.1rem;
}
.btn {
  display: inline-block;
  background: var(--color-accent);
  color: #1a1a1a !important;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none !important;
}

/* ---------- Stats ---------- */
.stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  padding: 40px 0;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-item .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
}
.stat-item .label { color: var(--color-muted); font-size: 0.9rem; }

/* ---------- Section headings ---------- */
.section {
  padding: 60px 0;
}
.section-title {
  font-size: 1.8rem;
  margin-bottom: 8px;
}
.section-subtitle {
  color: var(--color-muted);
  margin-bottom: 32px;
}

/* ---------- Card grid (tools/courses) ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
}
.card h3 { margin: 12px 0 8px; font-size: 1.1rem; }
.card p { color: var(--color-muted); font-size: 0.9rem; margin: 0; }
.card .icon {
  width: 44px; height: 44px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700;
}

/* ---------- Testimonials ---------- */
.testimonial {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid #eee;
}
.testimonial .stars { color: var(--color-accent); margin-bottom: 8px; }
.testimonial .name { font-weight: 700; margin-top: 12px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: #eaf3ef;
  padding: 60px 0 24px;
  margin-top: 60px;
}
.site-footer a { color: #eaf3ef; }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.footer-grid h4 { margin-bottom: 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #cfe3da;
}

/* ---------- Top announcement banner ---------- */
.top-banner {
  background: var(--color-accent);
  color: #1a1a1a;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 0;
}
.top-banner a { color: #1a1a1a; }
.banner-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: #1a1a1a;
}

/* ---------- Mobile nav toggle ---------- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
}

/* ---------- Test Type Cards (Latest IELTS Tests style) ---------- */
.test-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.test-type-card {
  display: block;
  text-decoration: none !important;
}
.test-type-card .banner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.test-type-card .banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
}
.test-type-card .banner span {
  position: relative;
  color: #fff;
  font-weight: 800;
  font-size: 1.3rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0 16px;
}
.test-type-card .link-label {
  display: block;
  margin-top: 12px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: underline;
}
.test-type-card:hover .link-label { color: var(--color-primary-light); }

.tt-reading   .banner { background-color: #3b6bd6; }
.tt-listening .banner { background-color: #9b5de5; }
.tt-speaking  .banner { background-color: #2fa66a; }
.tt-writing   .banner { background-color: #e08a2c; }
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
}
.leaderboard-table th,
.leaderboard-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #eee;
}
.leaderboard-table th {
  background: var(--color-bg);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.nav-open {
    display: block;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #eee;
    padding: 16px 20px;
  }
  .main-nav.nav-open ul { flex-direction: column; gap: 14px; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 1.9rem; }
}

/* ---------- Test listing layout (sidebar + results) ---------- */
.test-listing-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
}
.test-filters {
  background: #fff;
  border: 1px solid #eee;
  border-radius: var(--radius);
  padding: 20px;
  position: sticky;
  top: 90px;
}
.test-filters h3 {
  margin-top: 0;
  font-size: 1.1rem;
}
.test-filters label {
  font-size: 0.85rem;
  display: block;
  margin-bottom: 6px;
}
.test-filters input[type="text"] {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ddd;
  font-family: inherit;
}

.series-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.pill {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid #ddd;
  background: #fff;
  color: var(--color-text) !important;
  font-size: 0.85rem;
  text-decoration: none !important;
}
.pill.active,
.pill:hover {
  background: var(--color-primary);
  color: #fff !important;
  border-color: var(--color-primary);
}

.series-group {
  margin-bottom: 48px;
}

.test-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: var(--radius);
  padding: 20px;
}
.test-card h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}
.test-card h4 a {
  color: var(--color-text);
}
.test-btn {
  display: block;
  text-align: center;
  padding: 10px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none !important;
  margin-bottom: 8px;
}
.test-btn-take {
  background: var(--color-primary-light);
  color: #fff !important;
}
.test-btn-take.locked {
  background: #999;
}
.test-btn-practice {
  background: var(--color-bg);
  color: var(--color-text) !important;
  border: 1px solid #ddd;
}

.pagination {
  display: flex;
  gap: 8px;
  margin: 24px 0 8px;
}
.pagination .page-numbers {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #ddd;
  color: var(--color-text) !important;
  text-decoration: none !important;
}
.pagination .page-numbers.current {
  background: var(--color-primary);
  color: #fff !important;
  border-color: var(--color-primary);
}

@media (max-width: 768px) {
  .test-listing-layout { grid-template-columns: 1fr; }
  .test-filters { position: static; }
}

/* Homepage Test Type Cards */
.test-type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.test-type-card-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.test-type-card {
    width: 100%;
    height: 160px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    text-align: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.5px;
}

.tt-listening { background-color: #8b5cf6; }
.tt-reading   { background-color: #2563eb; }
.tt-speaking  { background-color: #10b981; }
.tt-writing   { background-color: #d97706; }

.link-label {
    margin-top: 10px;
    color: #0f766e;
    text-decoration: underline;
    font-weight: 600;
    font-size: 14px;
}

/* Taxonomy Page Layout (Image 3 UI) */
.ielts-container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px;
}

.ielts-page-header h1 {
    font-size: 26px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 6px;
}

.ielts-alert {
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 8px;
    font-size: 13px;
}
.ielts-alert-red { background: #fff5f5; border: 1px solid #fed7d7; color: #c53030; }
.ielts-alert-blue { background: #ebf8ff; border: 1px solid #bee3f8; color: #2b6cb0; }

.ielts-main-layout {
    display: flex;
    gap: 24px;
    margin-top: 20px;
}

.ielts-sidebar {
    width: 250px;
    flex-shrink: 0;
}

.sidebar-box {
    border: 1px solid #e2e8f0;
    padding: 16px;
    border-radius: 6px;
    background: #fff;
}

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; font-weight: 700; margin-bottom: 4px; }
.form-group input, .form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 13px;
    box-sizing: border-box;
}

.btn-filter {
    width: 100%;
    background-color: #d90429;
    color: #fff;
    border: none;
    padding: 10px;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
}

.ielts-content { flex-grow: 1; }

.category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.pill {
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    text-decoration: none;
    color: #334155;
}

.pill.active {
    background-color: #0f172a;
    color: #ffffff;
}

.series-group-box {
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 18px;
    margin-bottom: 24px;
    background: #fafafa;
}

.test-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.test-card {
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 15px;
    text-align: center;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.test-title {
    color: #d90429;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 15px;
}

.btn-take-test {
    display: block;
    background-color: #0d9488;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    margin-bottom: 6px;
    font-weight: bold;
    font-size: 13px;
}

.btn-practice {
    display: block;
    background-color: #4f46e5;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    font-size: 13px;
}
.ielts-test-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: #1a1a1a;
}

/* Top Sticky Bar */
.ielts-test-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid #e2e8f0;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.btn-focus-mode {
  border: 1px solid #ccc;
  background: #fff;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 4px;
  cursor: pointer;
}
.test-timer {
  font-weight: 600;
  font-size: 14px;
}
.btn-hamburger {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
}

/* Audio Player */
.ielts-audio-bar {
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  padding: 10px 16px;
  margin: 12px 0;
  background: #fff;
}
.audio-part-label {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.audio-player-container audio {
  width: 100%;
  height: 32px;
}

/* Questions Box */
.ielts-questions-box {
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  padding: 20px;
  background: #fff;
}
.question-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.question-header h2 {
  margin: 0;
  font-size: 20px;
}
.btn-practice-only {
  background: #ebf5ff;
  color: #0066cc;
  border: 1px solid #b3d7ff;
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 11px;
  cursor: pointer;
}

/* Question Rows & Inline Inputs */
.notes-container h3 { font-size: 16px; margin-top: 16px; }
.notes-container h4 { font-size: 14px; margin-top: 14px; margin-bottom: 8px; }
.q-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  font-size: 14px;
}
.q-row.indent { padding-left: 16px; }
.q-num {
  border: 1px solid #1a1a1a;
  font-weight: bold;
  padding: 1px 5px;
  font-size: 12px;
  line-height: 1.2;
}
.ielts-input-field {
  border: 1px solid #a0a0a0;
  border-radius: 2px;
  padding: 3px 6px;
  width: 110px;
  font-size: 13px;
}
.ielts-input-field.answered {
  background-color: #f0f9ff;
  border-color: #0066cc;
}

/* Bottom Bar & Tabs */
.ielts-bottom-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}
.btn-arrow {
  background: #718096;
  color: #fff;
  border: none;
  padding: 8px 12px;
  border-radius: 3px;
  cursor: pointer;
}
.parts-tabs {
  display: flex;
  flex: 1;
  gap: 8px;
}
.part-tab {
  flex: 1;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 13px;
  background: #fff;
  text-align: center;
}
.part-tab.active {
  border-color: #e53e3e;
  background: #fff;
}
.q-palette {
  display: inline-flex;
  gap: 3px;
  margin-left: 6px;
}
.q-badge {
  border: 1px solid #ccc;
  padding: 0 4px;
  font-size: 11px;
  border-radius: 2px;
}
.q-badge.filled {
  background: #3182ce;
  color: #fff;
  border-color: #3182ce;
}

/* Action Buttons */
.btn-submit-test {
  background: #00a651;
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
}
.btn-review {
  background: #3182ce;
  color: #fff;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
}

.shortcut-tip {
  text-align: center;
  font-size: 11px;
  color: #718096;
  font-style: italic;
  margin: 12px 0 24px;
}

/* Promo Banner */
.promo-banner-box {
  border: 2px dashed #000;
  padding: 20px;
  text-align: center;
  margin: 20px 0;
}
.btn-promo {
  display: inline-block;
  background: #cc0000;
  color: #fff;
  text-decoration: none;
  padding: 8px 18px;
  font-weight: bold;
  border-radius: 4px;
  margin-top: 10px;
}
.series-info-card {
  border: 1px solid #e0e0e0;
  padding: 20px;
  text-align: center;
  background: #fff;
  margin-bottom: 30px;
}